chromium/src/third_party/blink/web_tests/fast/dom/HTMLScriptElement/remove-source.html

<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}

var script = document.createElement("script");
script.src = "data:text/javascript,document.write('FAIL');if (window.testRunner) testRunner.notifyDone();";
document.getElementsByTagName("head")[0].appendChild(script);
script.src = "";
</script>
PASS